help how to downgrade 3ds for ramsav and broswer exploit

[AoiKunieda]

i need trasfer save date on 3ds to new 3ds xl for use the old 3ds qrcode and ram save but for transfer data nedd update both console help me plz

[supercarotte]

There is no way to downgrade your console if it's above web exploit injection. It is possible via emuNAND, which means you need something less than 9.2 firmware, but it's pretty risky.